CN208012850U - Detection device for safety valve - Google Patents
Detection device for safety valve Download PDFInfo
- Publication number
- CN208012850U CN208012850U CN201820420584.1U CN201820420584U CN208012850U CN 208012850 U CN208012850 U CN 208012850U CN 201820420584 U CN201820420584 U CN 201820420584U CN 208012850 U CN208012850 U CN 208012850U
- Authority
- CN
- China
- Prior art keywords
- booster jar
- generation apparatus
- temperature steam
- steam generation
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Safety Valves (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A kind of detection device for safety valve, water tank, high-pressure pump and high-temperature steam generation apparatus are sequentially connected by pipeline；Booster jar is vertically arranged, and is internally provided with plunger；The bottom of booster jar is connected with safety valve；Hydraulic cylinder piston rod is fixedly connected after slidably passing through the upper end cover of booster jar with the top of plunger；The outlet of high-temperature steam generation apparatus is connect by pipeline with the side in the middle part of booster jar, and the other side in the middle part of booster jar is connected with the total air escape pipe road being connected to its inner cavity；The outlet side on total air escape pipe road connects two flanges by two branch gas exhaust pipings respectively and detects interface；High-temperature steam generation apparatus is equipped with thermometer；Pipeline between high-temperature steam generation apparatus and booster jar is equipped with first pressure gauge and the first shut-off valve；Total air escape pipe road is connected with second pressure gauge and the second shut-off valve.The device can help to shorten the time of origin for examining steam, can help the inspection that big release pressure safety valve is completed using small-power high-temperature steam generation apparatus.
Description
Technical field
The utility model belongs to safety valve detection technique field, and in particular to a kind of detection device for safety valve.
Background technology
Safety valve is the important accessory of boiler, can be by being automatically drained out steam when boiler pressure is more than setting value
Mode carries out the release of pressure, to prevent the lasting raising of pressure, to ensure the safety of boiler.Safety valve on pot because
After assembling being re-started after periodic inspection or other maintenances processing, it is necessary to the release pressure of safety valve is adjusted again, with
So that it is met expected safety requirements, that is, needs to verify safety valve.Commonly safety valve checking method is mainly tradition
Gas at normal temperature check addition, this method operation is fairly simple, but verifies numerical value and the practical numerical value run at high operating temperatures
There are larger errors.
The mode living for having derived high-temperature steam verification in the prior art, is directly acted on high-temperature steam generation apparatus
Be detected valve body, in this mode, when necessarily reaching certain value for the pressure of steam, moment can make safety valve jumping up,
To achieve the purpose that detect safety valve jumping up pressure.But the working efficiency of some high-temperature steam generation apparatus is relatively low, waits for its production
It is time-consuming longer that the pressure of raw steam reaches setting value needs；In addition, being limited by some high-temperature steam generation apparatus power, institute
The steam pressure that can be provided is smaller, is not particularly suited for the inspection of big take-off safety valve.
Invention content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of detection device for safety valve, it should
Device can help to shorten the time of origin for examining steam, can help complete big take-off using small-power high-temperature steam generation apparatus
The inspection of pressure safety valve.
To achieve the goals above, the utility model provides a kind of detection device for safety valve, including water tank, height
Press pump, high-temperature steam generation apparatus, the booster jar of sealing, the hydraulic cylinder for being vertically fixedly connected on booster jar top；The height
The water inlet of press pump is connected with penetrating through by the bottom of pipeline and water tank, and the water inlet of the high-temperature steam generation apparatus passes through
The water outlet of pipeline and high-pressure pump connects；
The booster jar is vertically arranged, and with cylinder inner cavity, is internally provided with to be slidingly sealed with it and match
The plunger of conjunction；The bottom of booster jar is connected with pressure relief pipeline, and safety valve is connected on the pressure relief pipeline；The hydraulic cylinder piston
Bar is fixedly connected after slidably passing through the upper end cover of booster jar with the central upper portion region of the plunger；
The outlet of the high-temperature steam generation apparatus is connect by pipeline with the side in the middle part of booster jar, in the middle part of booster jar
The other side is connected with the total air escape pipe road being connected to its inner cavity；The outlet side on the total air escape pipe road is vented by two branch respectively
Two flanges of piping connection detect interface；
It is provided with thermometer on the high-temperature steam generation apparatus；Pipeline between high-temperature steam generation apparatus and booster jar
On be provided with first pressure gauge and the first shut-off valve；Total air escape pipe road is connected with second pressure gauge and the second shut-off valve；Branch is arranged
Third shut-off valve is connected on air pipe.
In the utility model, increasing can be stored in further to compress by the flexible of hydraulic cylinder by the setting of booster jar
The high-temperature steam inside tank is pressed, so as to realize the pressurization of steam, so as within the shorter time to safety to be tested
The inspection of valve also can realize the inspection to big release pressure case valve using low-power high-voltage steam generation facility.Meanwhile
Increased booster jar between high-temperature steam generation apparatus and tested case valve can also can help to examine until the effect of buffering
The stabilization for surveying vapour source pressure in the period, so as to help to improve accuracy of detection.
Further, it for the ease of observing the blow pressure of tested case valve in time, is connected on the branch gas exhaust piping
Third pressure gauge.
Further, the booster jar is fixed by holder and is supported.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, water tank, 2, high-pressure pump, 3, high-temperature steam generation apparatus, 4, booster jar, 5, hydraulic cylinder, 6, total exhaust
Pipeline, 7, branch gas exhaust piping, 8, flange detect interface, 9, thermometer, 10, first pressure gauge, 11, second pressure gauge, 12, third
Pressure gauge, 13, pressure relief pipeline, 14, safety valve, 15, plunger, the 16, first shut-off valve, the 17, second shut-off valve, 18, third cut-off
Valve.
Specific implementation mode
The utility model is described in further detail below.
As shown in Figure 1, a kind of detection device for safety valve, including water tank 1, high-pressure pump 2, high-temperature steam fill
It sets the booster jar 4 of 3, sealing, be vertically fixedly connected on the hydraulic cylinder 5 on 4 top of booster jar；The water inlet of the high-pressure pump 2 is logical
It crosses pipeline to connect with penetrating through with the bottom of water tank 1, the water inlet of the high-temperature steam generation apparatus 3 passes through pipeline and high-pressure pump
2 water outlet connection；
The booster jar 4 is vertically arranged, and with cylinder inner cavity, is internally provided with to be slidingly sealed with it and match
The plunger 15 of conjunction；The bottom of booster jar 4 is connected with pressure relief pipeline 13, and safety valve 14 is connected on the pressure relief pipeline 13；It is described
5 piston rod of hydraulic cylinder is fixedly connected after slidably passing through the upper end cover of booster jar 4 with the central upper portion region of the plunger 15；
The outlet of the high-temperature steam generation apparatus 3 is connect by pipeline with the side at 4 middle part of booster jar, in booster jar 4
The other side in portion is connected with the total air escape pipe road 6 being connected to its inner cavity；The outlet side on the total air escape pipe road 6 passes through two respectively
Branch gas exhaust piping 7 connects two flanges and detects interface 8；
Thermometer 9 is provided on the high-temperature steam generation apparatus 3；Between high-temperature steam generation apparatus 3 and booster jar 4
First pressure gauge 10 and the first shut-off valve 16 are provided on pipeline；Second pressure gauge 11 and second is connected on total air escape pipe road 6
Shut-off valve 17；Third shut-off valve 18 is connected on branch gas exhaust piping 7.
It is connected with third pressure gauge 12 on the branch gas exhaust piping 7.
The booster jar 4 is fixed by holder 19 and is supported.
The course of work：High-pressure pump 2 by the water supply high-temperature steam generation apparatus 3 in storage not tank 1, send out by high-temperature steam
Generating apparatus 3 is powered on, and generates verification medium water vapour, and the water vapour of generation enters in booster jar 4, need not be pressurized
When, plunger 15 is in the top inside booster jar 4, in the state that the first shut-off valve valve 16 is opened, the second shut-off valve 17 is closed,
Water vapour is constantly accumulated in booster jar 4, and the pressure that first pressure gauge 10 is shown is 4 internal pressure of booster jar, works as pressure
When reaching inspection pressure, by decontroling the third shut-off valve 18 on the second shut-off valve 17 and corresponding branch gas exhaust piping 7 successively, water steams
Vapour is entered by flange detection interface 8 to be assemblied in the safety valve to be detected that flange detects interface 8, safety valve to be detected to be achieved
Release pressure when safety valve to be measured open, detection data can be read by third pressure gauge 12.
Claims (3)
1. a kind of detection device for safety valve, including water tank (1), high-pressure pump (2) and high-temperature steam generation apparatus (3),
The water inlet of the high-pressure pump (2) is connect by pipeline with the bottom of water tank (1) with penetrating through, the high-temperature steam generation apparatus
(3) water inlet is connect by pipeline with the water outlet of high-pressure pump (2)；
It is characterized in that, further including the booster jar (4) of sealing, being vertically fixedly connected on the hydraulic cylinder on booster jar (4) top
(5)；
The booster jar (4) is vertically arranged, and with cylinder inner cavity, is internally provided with and is slidingly sealed cooperation with it
Plunger (15)；The bottom of booster jar (4) is connected with pressure relief pipeline (13), and safety valve is connected on the pressure relief pipeline (13)
(14)；Hydraulic cylinder (5) piston rod slidably passes through the central upper portion with the plunger (15) after the upper end covers of booster jar (4)
Region is fixedly connected；
The outlet of the high-temperature steam generation apparatus (3) is connect by pipeline with the side in the middle part of booster jar (4), booster jar (4)
The other side at middle part is connected with the total air escape pipe road (6) being connected to its inner cavity；The outlet side of the total air escape pipe road (6) leads to respectively
It crosses two branch gas exhaust pipings (7) and connects two flange detection interfaces (8)；
It is provided with thermometer (9) on the high-temperature steam generation apparatus (3)；High-temperature steam generation apparatus (3) and booster jar (4) it
Between pipeline on be provided with first pressure gauge (10) and the first shut-off valve (16)；Total air escape pipe road is connected with second pressure on (6)
Table (11) and the second shut-off valve (17)；Third shut-off valve (18) is connected on branch gas exhaust piping (7).
2. a kind of detection device for safety valve according to claim 1, which is characterized in that the branch gas exhaust piping
(7) third pressure gauge (12) is connected on.
3. a kind of detection device for safety valve according to claim 1 or 2, which is characterized in that the booster jar (4)
It is supported by holder (19) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420584.1U CN208012850U (en) | 2018-03-27 | 2018-03-27 | Detection device for safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420584.1U CN208012850U (en) | 2018-03-27 | 2018-03-27 | Detection device for safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208012850U true CN208012850U (en) | 2018-10-26 |
Family
ID=63889305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820420584.1U Expired - Fee Related CN208012850U (en) | 2018-03-27 | 2018-03-27 | Detection device for safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208012850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507767A (en) * | 2018-03-27 | 2018-09-07 | 河南省铭澳特种设备检测有限公司 | A kind of detection device for safety valve |
-
2018
- 2018-03-27 CN CN201820420584.1U patent/CN208012850U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507767A (en) * | 2018-03-27 | 2018-09-07 | 河南省铭澳特种设备检测有限公司 | A kind of detection device for safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20210327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |